350 throttle problem

Posted by L Anderes on November 01, 2012 at 12:03:22 from (70.41.138.141):

Throttle to engine speed response problem. With engine running, throttle in the first notch (low speed) I move it slowly to increase speed. It does not respond until you get to the 9th notch…in continuing to increase speed it does increase speed at every notch until you get to the high speed last notch. (Engine Off) I removed the side plate of the governor and adjusted stop screws per manual. I re-set both screws by several turns to get it to the specs. I then watched the movement of the “arms” in correlation with the throttle linkage…beginning at low end notch one and moving one notch at a time to increase speed. The linkage moved slightly each time the throttle moved one notch for the first five notches…from there on the movement was more noticeable all the way to the top end (notch 20). Engine Running, throttle on first notch I slowly advance to increase speed and get no increase until I get to notch 9…I then slowly continue advancing to full throttle and the engine responds accordingly. Then I rapidly (1 to 2 seconds) lower the throttle to notch 3 and the engine continues to run fast for approx 15 seconds and then the engine drops to idle speed in such a way that it dies. With engine running and throttle on notch 1 I rapidly move to notch 9 and the engine takes about 3 to 4 seconds to respond. The trials were repeated several times and no change in behavior.Ideas???Thanx

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